generated from coulomb/repo-seed
C2: document actual GHC cache behavior (-fbyte-code, no .o files, .hi caching via -fwrite-interface) and correct CLAUDE.md cache claim. C3: create IHUB-WP-0017 error-fix loop workplan (ralph-compatible, 5 tasks E1-E5, runs inside devenv shell). WP-0016 status → done. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>